Engine (3)

-€34.50

JIMS Big Axle™ Powerglide™ Tappets — Diameter 0.9035"

High-precision hydraulic tappets with micro-finish bore and oversized axle for improved cam tracking.

€134.17 €168.67

-€35.43

JIMS Hydrosolid Tappets — 0.8425" diameter

Perform like hydraulics up to 5,500 rpm, then convert to solid tappets for roughly 3–6 more usable horsepower; prevents hydraulic pump-up at high rpm; requires adjustable pushrods; made in the U.S.A.

€137.81 €173.24

-€48.84

JIMS Hydrosolid Tappets — 0.9035" diameter

Performs like a self-adjusting fluid lifter to 5,500 rpm, then becomes a solid lifter for about 3–6 additional hp; requires adjustable pushrods. Made in the U.S.A.

€138.01 €186.85

-€36.45

JIMS Powerglide™ Tappets — Oversize (+0.002"), Diameter 0.7330"

Hand-fit hydraulic tappets offering precise roller alignment and exact cam timing; recommend .0007"–.0012" block clearance.

€141.75 €178.20

Powerglide™ Tappets — 0.7310" diameter, Standard

-€25.38

JIMS Powerglide™ Tappets — 0.7310" diameter, Standard

Precision-machined hydraulic tappets for cast iron or aluminum blocks. Fitted to exact clearances for long roller life and accurate cam timing.

€98.68 €124.06

Powerglide™ Tappets — 0.7330" diameter, Oversize +0.002", Standard Hydraulic

-€26.20

JIMS Powerglide™ Tappets — 0.7330" diameter, Oversize +0.002",...

Precision billet-steel hydraulic tappets for Powerglide applications. Hand-fit for exact cam timing and extended roller life.

€101.89 €128.09

-€26.20

JIMS Powerglide™ Tappets — 0.7360" diameter, Oversize +0.005"

Fits cast iron and aluminum valve-lifter blocks
Billet bearing metal construction
Hand fit hydraulic unit, .0002" running fit
Recommended block clearance .0007"–.0012"

€101.89 €128.09

-€31.17

JIMS Manual Compression Release Valves — Primary starter, Pair, Silver

Reduce starting compression with easy-install manual release valves. Drill and tap each cylinder head 10 mm x 1.0 mm. Fits all Big Twin models.

€121.23 €152.40

-€9.44

JIMS Oil Pump Component — 26346-69/70

Replacement oil pump component for Big Twin models.

€36.69 €46.13

Oil Pump Component — Idler gear, 26317-68A

-€12.82

JIMS Oil Pump Component — Idler gear, 26317-68A

Replacement component for Big Twin models; precision-machined to restore lubrication performance and reduce noise.

€49.89 €62.71

-€14.02

JIMS Oil Pump Component — JIMS idler gear

Replacement component for Big Twin lubrication systems. Precision‑machined for durability and proper fit.

€54.52 €68.54

-€7.44

JIMS Gear-Side Pinion Shaft Nut — 5/8-24

High-strength pinion shaft nut designed for secure gear-side installation and long service life.

€28.92 €36.36

Gear-Side Pinion Shaft Nut — 5/8-24 left-hand threads

-€4.94

JIMS Gear-Side Pinion Shaft Nut — 5/8-24 left-hand threads

Secures the pinion shaft on the gear side; install to specified torque and check endplay after tightening.

€19.22 €24.16

-€6.48

JIMS Valve Lock Keys — 8-pack

Precision-made valve lock keys with a 10° lock angle. Heat-treated and made in the U.S.A. Designed for reliable valve keeper service.

€25.19 €31.67

High-Performance Piston Kit — 3.5155" piston, 4-1/4" stroke, 1340 cc, Aluminum

-€86.89

WISECO High-Performance Piston Kit — 3.5155" piston, 4-1/4" stroke,...

Forged high-silicon aluminum piston kit with X-Ring package; includes rings, retainer clips and chrome piston pins. Made in the USA.

€245.85 €332.74

High-Performance Piston Kit — 1200 cc, 3.508" bore, 3.8125" stroke, 9.5:1

-€92.69

WISECO High-Performance Piston Kit — 1200 cc, 3.508" bore, 3.8125"...

Complete top-end piston kit with X-Ring package for improved sealing and durability.

€262.24 €354.93

High-Performance Piston Kit — 3.5055" piston, 4.25" stroke, 10.0:1, 1340 cc

-€92.69

WISECO High-Performance Piston Kit — 3.5055" piston, 4.25" stroke,...

Forged high-silicon aluminum piston kit with X-Ring set, chrome piston pins and retainer clips; pistons made in the USA.

€262.24 €354.93

-€0.64

WISECO High-Performance Replacement Circlips — Piston

High-strength replacement circlips for piston applications. Includes rings for one piston. Forged from a high-silicone aluminum alloy for durability and dimensional consistency.

€1.83 €2.47

High-Performance Piston Kit — 3.195" piston diameter, 10.0:1 compression ratio, Aluminum

-€83.64

WISECO High-Performance Piston Kit — 3.195" piston diameter, 10.0:1...

Forged high-silicon aluminum piston kit with pistons, rings, retainer clips and chrome pins. Includes X-Ring set; pistons made in the USA.

€216.00 €299.64

-€93.31
Out of Stock

WISECO High-Performance Piston Kit — 3.4955", 10.5:1, 1200 cc, 3-13/16"

High-performance piston kit featuring forged construction, complete ring set and chrome piston pins. Made in the USA.

€264.01 €357.32

High-Performance Piston Kit — 3.5055" piston, 1200 cc, 3-13/16" stroke, Aluminum

-€95.59
Out of Stock

WISECO High-Performance Piston Kit — 3.5055" piston, 1200 cc,...

Complete top-end kit with forged pistons, rings, retainer clips and chrome piston pins. Includes X-Ring package; pistons made in the USA.

€270.44 €366.03

Piston Kit with Gaskets — 3.934" piston, 1746 cc, 10.0:1 compression

-€152.67
Out of Stock

WISECO Piston Kit with Gaskets — 3.934" piston, 1746 cc, 10.0:1...

Complete top-end piston kit with gaskets, VM-ring package, and Armor Plating; pistons made in the USA.

€431.93 €584.60

-€115.92
Out of Stock

WISECO Piston Kit — 3.937", 4-3/8", 11:1, 1746 cc

ArmorX™-coated pistons with ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the U.S.A.

€327.99 €443.91

Piston Kit — Bore +0.143", Stroke 4-3/8", Compression 11.0:1, 1875 cc

-€115.92
Out of Stock

WISECO Piston Kit — Bore +0.143", Stroke 4-3/8", Compression 11.0:1,...

High-performance piston kit engineered to improve combustion, reduce wear and provide reliable OEM and Screamin’ Eagle fitment. Includes pistons, rings and hardware.

€327.99 €443.91

Piston Kit — 4.125" bore, +0.190" oversize, 4-3/8" stroke, 11:1 compression

-€114.36
Out of Stock

WISECO Piston Kit — 4.125" bore, +0.190" oversize, 4-3/8" stroke,...

High-performance Wiseco piston kit with ArmorX™ coating and ArmorFit™ skirt. Includes pistons, rings, piston pins and circlips. Fits OEM and Screamin’ Eagle heads. Made in the U.S.A.

€323.56 €437.92

-€115.92
Out of Stock

WISECO Piston Kit — 4.250" bore, 4-3/8" stroke, 11.0:1 compression

Two-piston kit with rings, piston pins and circlips. ArmorX™ coating and ArmorFit™ skirt reduce wear and noise while improving sealing; fits OEM and Screamin’ Eagle heads.

€327.99 €443.91

Tracker Series™ Piston Kit — 3.937" bore, 4.375" stroke, 1746 cc

-€72.30
Out of Stock

WISECO Tracker Series™ Piston Kit — 3.937" bore, 4.375" stroke, 1746 cc

Race-proven forged pistons with ArmorGlide® skirt coating. Complete two-piston kit including rings, pins and circlips.

€204.57 €276.87

High-Performance Forged Piston Kit — 3.885 in bore, 4.375 in stroke, 9.0:1 CR, 1700 cc

-€115.92
Out of Stock

WISECO High-Performance Forged Piston Kit — 3.885 in bore, 4.375 in...

Forged pistons with ArmorGlide™ skirts, rings, retainer clips and chrome pins; ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.

€327.99 €443.91

High-Performance Forged Piston Kit — Bore 3.885", Stroke 4.375", 1700 cc, 10.5:1, Black Edition

-€115.92
Out of Stock

WISECO High-Performance Forged Piston Kit — Bore 3.885", Stroke...

Forged pistons with ArmorGlide™ coated skirts, rings, retainer clips, and chrome piston pins. ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.

€327.99 €443.91

-€179.90
Out of Stock

JIMS Forceflow Cylinder Head Cooler Kit — Chrome

Plug-and-play cooler kit with a high-powered, waterproof fan and temperature-activated switch; includes wiring, hardware and instructions. Not for "Twin Cooled" models.

€699.64 €879.54

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine